Leah S. Zweig

Leah Zweig, Esq., graduated from Fordham Law School in 2024. She was admitted to practice law in the State of New York in March 2025. Prior to joining Aronson Mayefsky & Sloan LLP, Leah practiced at a boutique matrimonial firm in Garden City, Long Island, where she handled a range of matrimonial and Family Court matters. Before law school, she gained experience as a case manager for Sanctuary for Families, guiding victims of domestic violence to necessary resources while they were screened for legal services or represented by attorneys at the organization. Leah advocates for clients while providing clear-eyed counsel to help them navigate the tumultuous emotional process inherent in divorce and custody matters.

Admitted

New York

Education

  • The College of William and Mary
  • Fordham University School of Law

  • Leah S. Zweig
  • Leah S. Zweig
  • Leah S. Zweig
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  • Cross-Examination: Selected Problems – Some Easy Rules That Are Not So Easy to Apply

    “Cross-Examination: Selected Problems – Some Easy Rules That Are Not So Easy to Apply”

    Sponsor: American Academy of Matrimonial Lawyers (AAML)

  • Matrimonial Law: A Case Law Update

    “Matrimonial Law: A Case Law Update”

    Sponsor: Supreme Court Appellate Division First Department

  • Matrimonial and Family Law: The Changing Economy and Critical Issues – What You Need to Know: Drafting for Bankruptcy Considerations

    “Matrimonial and Family Law: The Changing Economy and Critical Issues – What You Need to Know: Drafting for Bankruptcy Considerations”

    Sponsor: New York State Bar Association

  • How to Litigate a Child Custody Case

    ”How to Litigate a Child Custody Case”

    Sponsor: New York County Lawyers

  • Drafting Custody and Visitation Provisions

    “Drafting Custody and Visitation Provisions”

    Sponsor: New York State Bar Association

  • Matrimonial Case Law Update: A Review of Developing Issues in Matrimonial Law

    “Matrimonial Case Law Update: A Review of Developing Issues in Matrimonial Law”

    Sponsor: Supreme Court Appellate Division First Department

  • The United States Supreme Court’s Troxel Decision and its Impact on Non-Parental Visitation

    “The United States Supreme Court’s Troxel Decision and its Impact on Non-Parental Visitation”

    Sponsor: American Academy of Matrimonial Lawyers (AAML)

  • Handling Your First Contested Divorce Case

    “Handling Your First Contested Divorce Case”

    Sponsor: New York State Bar Association

  • Recognizing Estate Planning and Real Estate Issues in Matrimonial Matters

    “Recognizing Estate Planning and Real Estate Issues in Matrimonial Matters”

    Sponsor: New York State Bar Association

  • Selected Recurring Issues in Matrimonial Practice: Successfully Handling the Challenges

    “Selected Recurring Issues in Matrimonial Practice: Successfully Handling the Challenges”

    Sponsor: New York State Bar Association

  • The Expanding World of the Matrimonial Lawyer: New Cases, New Procedures and New Areas of Law: Discovery

    “The Expanding World of the Matrimonial Lawyer: New Cases, New Procedures and New Areas of Law: Discovery”

    Sponsor: New York State Bar Association

  • Handling A Child Custody Case: Intake to Trial

    “Handling A Child Custody Case: Intake to Trial”

    Sponsor: New York State Bar Association

  • Matrimonial and Family Law Update: “Double Dipping” When a Professional License/Practice is in the Case

    “Matrimonial and Family Law Update: “Double Dipping” When a Professional License/Practice is in the Case”

    Sponsor: New York State Bar Association

  • Practical Skills Seminar: Basic Matrimonial Practice

    “Practical Skills Seminar: Basic Matrimonial Practice”

    Sponsor: New York State Bar Association

  • Presenting Valuation Evidence At Trial and For Appeal

    “Presenting Valuation Evidence At Trial and For Appeal”

    Sponsor: New York State Bar Association

  • Show Me the Money: Discovery and Treatment of Hidden Assets

    “Show Me the Money: Discovery and Treatment of Hidden Assets”

    Sponsor: American Academy of Matrimonial Lawyers (AAML)

  • The ABCs of Drafting Prenuptial Agreements and Other Matrimonial Agreements

    “The ABCs of Drafting Prenuptial Agreements and Other Matrimonial Agreements”

    Sponsor: New York State Bar Association

  • Understanding Child Support and Custody: Significant Decisions Under the CSSA

    “Understanding Child Support and Custody: Significant Decisions Under the CSSA”

    Sponsor: Practicing Law Institute

  • The Construction of a Prenuptial Agreement

    “The Construction of a Prenuptial Agreement”

    Sponsor: Association of the Bar of the City of New York

    Mr. Aronson has also lectured on the following topics:

    The Rules, Procedures, and Techniques of Matrimonial Motion Practice
    Matrimonial Agreements and Tax Aspects of Maintenance, Support, and Property Distribution
    Litigating Maintenance and Child Support in High Income Cases; Direct Testimony of Mothers and Fathers
    Custody: Litigation’s Stepchild; How to make a record for both the Trial Court and the Appellate Court
    Tax Returns and Net Worth Statements
  • Presenting Valuation Evidence At Trial and For Appeal

    “Presenting Valuation Evidence At Trial and For Appeal”

    Location: New York State Bar Association

    Guest Lecturer: David Aronson

  • Show Me the Money: Discovery and Treatment of Hidden Assets

    “Show Me the Money: Discovery and Treatment of Hidden Assets”

    Location:  American Academy of Matrimonial Lawyers (AAML)

    Guest Lecturer: David Aronson

  • The ABCs of Drafting Prenuptial Agreements and Other Matrimonial Agreements

    “The ABCs of Drafting Prenuptial Agreements and Other Matrimonial Agreements”

    Location: New York State Bar Association

    Guest Lecturer: David Aronson

  • Understanding Child Support and Custody: Significant Decisions Under the CSSA

    “Understanding Child Support and Custody: Significant Decisions Under the CSSA”

    Location: Practicing Law Institute

    Guest Lecturer: David Aronson

  • The Construction of a Prenuptial Agreement

    “The Construction of a Prenuptial Agreement”

    Location: Association of the Bar of the City of New York

    Guest Lecturer: David Aronson

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  • Leah S. Zweig
  • Leah S. Zweig
  • Leah S. Zweig
  • Leah S. Zweig
  • Leah S. Zweig
  • Leah S. Zweig
  • Leah S. Zweig
  • Leah S. Zweig
  • Leah S. Zweig

  • Leah S. Zweig
  • Leah S. Zweig
  • Leah S. Zweig
  • Leah S. Zweig
  • Leah S. Zweig
  • Leah S. Zweig
  • Leah S. Zweig

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